Commit 9fe17b74 authored by Saket Kumar Bhaskar's avatar Saket Kumar Bhaskar Committed by Daniel Borkmann
Browse files

selftests/bpf: Fix test_xdp_adjust_tail_grow2 selftest on powerpc 



On powerpc cache line size is 128 bytes, so skb_shared_info must be
aligned accordingly.

Signed-off-by: default avatarSaket Kumar Bhaskar <skb99@linux.ibm.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20250110103109.3670793-1-skb99@linux.ibm.com
parent be339ddf

tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c

+2 −0
Original line number Diff line number Diff line
@@ -82,6 +82,8 @@ static void test_xdp_adjust_tail_grow2(void) 
	/* SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) */

#if defined(__s390x__)

	int tailroom = 512;

#elif defined(__powerpc__)

	int tailroom = 384;

#else

	int tailroom = 320;

#endif

tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c

+2 −0
Original line number Diff line number Diff line
@@ -10,6 +10,8 @@ int _xdp_adjust_tail_grow(struct xdp_md *xdp) 
	/* SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) */

#if defined(__TARGET_ARCH_s390)

	int tailroom = 512;

#elif defined(__TARGET_ARCH_powerpc)

	int tailroom = 384;

#else

	int tailroom = 320;

#endif